13652690 has 8 divisors (see below), whose sum is σ = 24574860. Its totient is φ = 5461072.

The previous prime is 13652671. The next prime is 13652699. The reversal of 13652690 is 9625631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13535041 + 117649 = 3679^2 + 343^2 .

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

It is a super-2 number, since 2×13652690² = 372791888472200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13652699) 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, 682625 + ... + 682644.

Almost surely, 2^13652690 is an apocalyptic number.

13652690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13652690 is a deficient number, since it is larger than the sum of its proper divisors (10922170).

13652690 is a wasteful number, since it uses less digits than its factorization.

13652690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1365276.

The product of its (nonzero) digits is 9720, while the sum is 32.

The square root of 13652690 is about 3694.9546681928. The cubic root of 13652690 is about 239.0044991363.

The spelling of 13652690 in words is "thirteen million, six hundred fifty-two thousand, six hundred ninety".