13263146 has 8 divisors (see below), whose sum is σ = 21425124. Its totient is φ = 6121440.

The previous prime is 13263143. The next prime is 13263167. The reversal of 13263146 is 64136231.

It can be written as a sum of positive squares in 2 ways, for example, as 12285025 + 978121 = 3505^2 + 989^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13263146² = 351822083634632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 510121 = 13263146 / (1 + 3 + 2 + 6 + 3 + 1 + 4 + 6).

It is not an unprimeable number, because it can be changed into a prime (13263143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 255035 + ... + 255086.

Almost surely, 2^13263146 is an apocalyptic number.

13263146 is a deficient number, since it is larger than the sum of its proper divisors (8161978).

13263146 is a wasteful number, since it uses less digits than its factorization.

13263146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510136.

The product of its digits is 2592, while the sum is 26.

The square root of 13263146 is about 3641.8602389438. The cubic root of 13263146 is about 236.7094066389.

Adding to 13263146 its reverse (64136231), we get a palindrome (77399377).

The spelling of 13263146 in words is "thirteen million, two hundred sixty-three thousand, one hundred forty-six".