13976970 has 128 divisors (see below), whose sum is σ = 42024960. Its totient is φ = 2903040.

The previous prime is 13976969. The next prime is 13976987. The reversal of 13976970 is 7967931.

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

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 63 ways as a sum of consecutive naturals, for example, 123634 + ... + 123746.

It is an arithmetic number, because the mean of its divisors is an integer number (328320).

Almost surely, 2^13976970 is an apocalyptic number.

13976970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13976970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21012480).

13976970 is an abundant number, since it is smaller than the sum of its proper divisors (28047990).

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

13976970 is a wasteful number, since it uses less digits than its factorization.

13976970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180.

The product of its (nonzero) digits is 71442, while the sum is 42.

The square root of 13976970 is about 3738.5786069040. The cubic root of 13976970 is about 240.8819977515.

The spelling of 13976970 in words is "thirteen million, nine hundred seventy-six thousand, nine hundred seventy".