13042690 has 16 divisors (see below), whose sum is σ = 23538240. Its totient is φ = 5203440.

The previous prime is 13042681. The next prime is 13042693. The reversal of 13042690 is 9624031.

It is a super-2 number, since 2×13042690² = 340223524872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13042693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2905 + ... + 5875.

It is an arithmetic number, because the mean of its divisors is an integer number (1471140).

Almost surely, 2^13042690 is an apocalyptic number.

13042690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13042690 is a deficient number, since it is larger than the sum of its proper divisors (10495550).

13042690 is a wasteful number, since it uses less digits than its factorization.

13042690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 13042690 is about 3611.4664611484. The cubic root of 13042690 is about 235.3905682644.

The spelling of 13042690 in words is "thirteen million, forty-two thousand, six hundred ninety".