13608626 has 4 divisors (see below), whose sum is σ = 20412942. Its totient is φ = 6804312.

The previous prime is 13608611. The next prime is 13608629. The reversal of 13608626 is 62680631.

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

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 5285401 = 2885^2 + 2299^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13608592 and 13608601.

It is not an unprimeable number, because it can be changed into a prime (13608629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3402155 + ... + 3402158.

Almost surely, 2^13608626 is an apocalyptic number.

13608626 is a deficient number, since it is larger than the sum of its proper divisors (6804316).

13608626 is an equidigital number, since it uses as much as digits as its factorization.

13608626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6804315.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 13608626 is about 3688.9871238593. The cubic root of 13608626 is about 238.7470933374.

The spelling of 13608626 in words is "thirteen million, six hundred eight thousand, six hundred twenty-six".