13911130 has 8 divisors (see below), whose sum is σ = 25040052. Its totient is φ = 5564448.

The previous prime is 13911127. The next prime is 13911133. The reversal of 13911130 is 3111931.

13911130 = 1666² + 1667² + ... + 1670².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13911127) and next prime (13911133).

It can be written as a sum of positive squares in 2 ways, for example, as 13756681 + 154449 = 3709^2 + 393^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 13911098 and 13911107.

It is not an unprimeable number, because it can be changed into a prime (13911133) 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, 695547 + ... + 695566.

Almost surely, 2^13911130 is an apocalyptic number.

13911130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13911130 is a deficient number, since it is larger than the sum of its proper divisors (11128922).

13911130 is a wasteful number, since it uses less digits than its factorization.

13911130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391120.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 13911130 is about 3729.7627270377. The cubic root of 13911130 is about 240.5031688876.

It can be divided in two parts, 13911 and 130, that added together give a palindrome (14041).

The spelling of 13911130 in words is "thirteen million, nine hundred eleven thousand, one hundred thirty".