13952638 has 8 divisors (see below), whose sum is σ = 23918832. Its totient is φ = 5979696.

The previous prime is 13952633. The next prime is 13952639. The reversal of 13952638 is 83625931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13952638² = 389352214318088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13952597 and 13952606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13952633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 498295 + ... + 498322.

It is an arithmetic number, because the mean of its divisors is an integer number (2989854).

Almost surely, 2^13952638 is an apocalyptic number.

13952638 is a deficient number, since it is larger than the sum of its proper divisors (9966194).

13952638 is an equidigital number, since it uses as much as digits as its factorization.

13952638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996626.

The product of its digits is 38880, while the sum is 37.

The square root of 13952638 is about 3735.3230114677. The cubic root of 13952638 is about 240.7421356495.

The spelling of 13952638 in words is "thirteen million, nine hundred fifty-two thousand, six hundred thirty-eight".