13890332 has 6 divisors (see below), whose sum is σ = 24308088. Its totient is φ = 6945164.

The previous prime is 13890329. The next prime is 13890337. The reversal of 13890332 is 23309831.

It is a junction number, because it is equal to n+sod(n) for n = 13890295 and 13890304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13890337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1736288 + ... + 1736295.

It is an arithmetic number, because the mean of its divisors is an integer number (4051348).

Almost surely, 2^13890332 is an apocalyptic number.

It is an amenable number.

13890332 is a deficient number, since it is larger than the sum of its proper divisors (10417756).

13890332 is a wasteful number, since it uses less digits than its factorization.

13890332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3472587 (or 3472585 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 13890332 is about 3726.9735711432. The cubic root of 13890332 is about 240.3832534018.

The spelling of 13890332 in words is "thirteen million, eight hundred ninety thousand, three hundred thirty-two".