13943900 has 18 divisors (see below), whose sum is σ = 30258480. Its totient is φ = 5577520.

The previous prime is 13943873. The next prime is 13943933. The reversal of 13943900 is 934931.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69620 + ... + 69819.

Almost surely, 2^13943900 is an apocalyptic number.

13943900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13943900 is an abundant number, since it is smaller than the sum of its proper divisors (16314580).

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

13943900 is a wasteful number, since it uses less digits than its factorization.

13943900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139453 (or 139446 counting only the distinct ones).

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

The square root of 13943900 is about 3734.1531837888. The cubic root of 13943900 is about 240.6918693111.

The spelling of 13943900 in words is "thirteen million, nine hundred forty-three thousand, nine hundred".