13262138 has 16 divisors (see below), whose sum is σ = 20381760. Its totient is φ = 6470016.

The previous prime is 13262111. The next prime is 13262143. The reversal of 13262138 is 83126231.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 19370 + ... + 20042.

It is an arithmetic number, because the mean of its divisors is an integer number (1273860).

Almost surely, 2^13262138 is an apocalyptic number.

13262138 is a deficient number, since it is larger than the sum of its proper divisors (7119622).

13262138 is a wasteful number, since it uses less digits than its factorization.

13262138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 901.

The product of its digits is 1728, while the sum is 26.

The square root of 13262138 is about 3641.7218455011. The cubic root of 13262138 is about 236.7034098433.

Adding to 13262138 its reverse (83126231), we get a palindrome (96388369).

The spelling of 13262138 in words is "thirteen million, two hundred sixty-two thousand, one hundred thirty-eight".