13407031 has 4 divisors (see below), whose sum is σ = 14625864. Its totient is φ = 12188200.

The previous prime is 13406977. The next prime is 13407047. The reversal of 13407031 is 13070431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13407031 - 2¹¹ = 13404983 is a prime.

It is a super-2 number, since 2×13407031² = 359496960469922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13407731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609400 + ... + 609421.

It is an arithmetic number, because the mean of its divisors is an integer number (3656466).

Almost surely, 2^13407031 is an apocalyptic number.

13407031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13407031 is the 1638-th centered decagonal number.

13407031 is a deficient number, since it is larger than the sum of its proper divisors (1218833).

13407031 is a wasteful number, since it uses less digits than its factorization.

13407031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218832.

The product of its (nonzero) digits is 252, while the sum is 19.

The square root of 13407031 is about 3661.5612790175. The cubic root of 13407031 is about 237.5623090440.

Adding to 13407031 its reverse (13070431), we get a palindrome (26477462).

It can be divided in two parts, 13 and 407031, that added together give a square (407044 = 638²).

The spelling of 13407031 in words is "thirteen million, four hundred seven thousand, thirty-one".