13940430 has 32 divisors (see below), whose sum is σ = 38237184. Its totient is φ = 3186336.

The previous prime is 13940429. The next prime is 13940441. The reversal of 13940430 is 3404931.

It is a self number, because there is not a number n which added to its sum of digits gives 13940430.

It is a congruent number.

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, 32982 + ... + 33401.

It is an arithmetic number, because the mean of its divisors is an integer number (1194912).

Almost surely, 2^13940430 is an apocalyptic number.

13940430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13940430 is an abundant number, since it is smaller than the sum of its proper divisors (24296754).

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

13940430 is a wasteful number, since it uses less digits than its factorization.

13940430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66400.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 13940430 is about 3733.6885247701. The cubic root of 13940430 is about 240.6719019161.

The spelling of 13940430 in words is "thirteen million, nine hundred forty thousand, four hundred thirty".