13943090 has 32 divisors (see below), whose sum is σ = 28909440. Its totient is φ = 4742784.

The previous prime is 13943089. The next prime is 13943101. The reversal of 13943090 is 9034931.

13943090 is nontrivially palindromic in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9014 + ... + 10446.

It is an arithmetic number, because the mean of its divisors is an integer number (903420).

Almost surely, 2^13943090 is an apocalyptic number.

13943090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13943090 is an abundant number, since it is smaller than the sum of its proper divisors (14966350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13943090 is a wasteful number, since it uses less digits than its factorization.

13943090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 13943090 is about 3734.0447238886. The cubic root of 13943090 is about 240.6872086305.

The spelling of 13943090 in words is "thirteen million, nine hundred forty-three thousand, ninety".