13840976 has 10 divisors (see below), whose sum is σ = 26816922. Its totient is φ = 6920480.

The previous prime is 13840943. The next prime is 13840979. The reversal of 13840976 is 67904831.

It can be written as a sum of positive squares in only one way, i.e., 8271376 + 5569600 = 2876^2 + 2360^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13840979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432515 + ... + 432546.

Almost surely, 2^13840976 is an apocalyptic number.

13840976 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13840976 is a deficient number, since it is larger than the sum of its proper divisors (12975946).

13840976 is an equidigital number, since it uses as much as digits as its factorization.

13840976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865069 (or 865063 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13840976 is about 3720.3462204478. The cubic root of 13840976 is about 240.0982005546.

It can be divided in two parts, 138 and 40976, that added together give a palindrome (41114).

The spelling of 13840976 in words is "thirteen million, eight hundred forty thousand, nine hundred seventy-six".