13389402 has 16 divisors (see below), whose sum is σ = 28838880. Its totient is φ = 4119792.

The previous prime is 13389391. The next prime is 13389403. The reversal of 13389402 is 20498331.

13389402 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13389402.

It is not an unprimeable number, because it can be changed into a prime (13389403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85752 + ... + 85907.

It is an arithmetic number, because the mean of its divisors is an integer number (1802430).

Almost surely, 2^13389402 is an apocalyptic number.

13389402 is an abundant number, since it is smaller than the sum of its proper divisors (15449478).

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

13389402 is a wasteful number, since it uses less digits than its factorization.

13389402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171677.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 13389402 is about 3659.1531807236. The cubic root of 13389402 is about 237.4581392520.

The spelling of 13389402 in words is "thirteen million, three hundred eighty-nine thousand, four hundred two".