13967772 has 48 divisors (see below), whose sum is σ = 40115712. Its totient is φ = 3683520.

The previous prime is 13967743. The next prime is 13967773. The reversal of 13967772 is 27776931.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13967773) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5304 + ... + 7487.

It is an arithmetic number, because the mean of its divisors is an integer number (835744).

Almost surely, 2^13967772 is an apocalyptic number.

13967772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13967772 is an abundant number, since it is smaller than the sum of its proper divisors (26147940).

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

13967772 is a wasteful number, since it uses less digits than its factorization.

13967772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12818 (or 12816 counting only the distinct ones).

The product of its digits is 111132, while the sum is 42.

The square root of 13967772 is about 3737.3482577892. The cubic root of 13967772 is about 240.8291460767.

The spelling of 13967772 in words is "thirteen million, nine hundred sixty-seven thousand, seven hundred seventy-two".