13694976 has 72 divisors (see below), whose sum is σ = 39606840. Its totient is φ = 4558848.

The previous prime is 13694971. The next prime is 13694999. The reversal of 13694976 is 67949631.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13694971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18061 + ... + 18803.

It is an arithmetic number, because the mean of its divisors is an integer number (550095).

Almost surely, 2^13694976 is an apocalyptic number.

13694976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13694976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19803420).

13694976 is an abundant number, since it is smaller than the sum of its proper divisors (25911864).

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

13694976 is an equidigital number, since it uses as much as digits as its factorization.

13694976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 748 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 13694976 is about 3700.6723713401. The cubic root of 13694976 is about 239.2509982499.

The spelling of 13694976 in words is "thirteen million, six hundred ninety-four thousand, nine hundred seventy-six".