13968420 has 48 divisors (see below), whose sum is σ = 41173440. Its totient is φ = 3528576.

The previous prime is 13968397. The next prime is 13968443. The reversal of 13968420 is 2486931.

It is an interprime number because it is at equal distance from previous prime (13968397) and next prime (13968443).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 4987 + ... + 7266.

It is an arithmetic number, because the mean of its divisors is an integer number (857780).

Almost surely, 2^13968420 is an apocalyptic number.

13968420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13968420 is an abundant number, since it is smaller than the sum of its proper divisors (27205020).

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

13968420 is a wasteful number, since it uses less digits than its factorization.

13968420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284 (or 12282 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 13968420 is about 3737.4349492667. The cubic root of 13968420 is about 240.8328702420.

The spelling of 13968420 in words is "thirteen million, nine hundred sixty-eight thousand, four hundred twenty".