13920354 has 24 divisors (see below), whose sum is σ = 34469760. Its totient is φ = 3977208.

The previous prime is 13920349. The next prime is 13920367. The reversal of 13920354 is 45302931.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 55114 + ... + 55365.

It is an arithmetic number, because the mean of its divisors is an integer number (1436240).

Almost surely, 2^13920354 is an apocalyptic number.

13920354 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13920354 is an abundant number, since it is smaller than the sum of its proper divisors (20549406).

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

13920354 is a wasteful number, since it uses less digits than its factorization.

13920354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110494 (or 110491 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 13920354 is about 3730.9990619136. Note that the first 3 decimals coincide. The cubic root of 13920354 is about 240.5563136500.

The spelling of 13920354 in words is "thirteen million, nine hundred twenty thousand, three hundred fifty-four".