13539790 has 32 divisors (see below), whose sum is σ = 26925696. Its totient is φ = 4860960.

The previous prime is 13539787. The next prime is 13539791. The reversal of 13539790 is 9793531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13539791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8389 + ... + 9871.

It is an arithmetic number, because the mean of its divisors is an integer number (841428).

Almost surely, 2^13539790 is an apocalyptic number.

13539790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13539790 is a deficient number, since it is larger than the sum of its proper divisors (13385906).

13539790 is a wasteful number, since it uses less digits than its factorization.

13539790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 25515, while the sum is 37.

The square root of 13539790 is about 3679.6453633469. The cubic root of 13539790 is about 238.3438642170.

The spelling of 13539790 in words is "thirteen million, five hundred thirty-nine thousand, seven hundred ninety".