13162631 has 4 divisors (see below), whose sum is σ = 13587264. Its totient is φ = 12738000.

The previous prime is 13162621. The next prime is 13162657. The reversal of 13162631 is 13626131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13626131 = 191 ⋅71341.

It is a cyclic number.

It is not a de Polignac number, because 13162631 - 2¹⁴ = 13146247 is a prime.

It is a super-2 number, since 2×13162631² = 346509709684322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13162597 and 13162606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13162621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212270 + ... + 212331.

It is an arithmetic number, because the mean of its divisors is an integer number (3396816).

Almost surely, 2^13162631 is an apocalyptic number.

13162631 is a deficient number, since it is larger than the sum of its proper divisors (424633).

13162631 is an equidigital number, since it uses as much as digits as its factorization.

13162631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424632.

The product of its digits is 648, while the sum is 23.

The square root of 13162631 is about 3628.0340406341. The cubic root of 13162631 is about 236.1099207855.

Adding to 13162631 its reverse (13626131), we get a palindrome (26788762).

It can be divided in two parts, 1316 and 2631, that multiplied together give a triangular number (3462396 = T₂₆₃₁).

The spelling of 13162631 in words is "thirteen million, one hundred sixty-two thousand, six hundred thirty-one".