13912830 has 48 divisors (see below), whose sum is σ = 37265040. Its totient is φ = 3693744.

The previous prime is 13912823. The next prime is 13912841. The reversal of 13912830 is 3821931.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13912794 and 13912803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61177 + ... + 61403.

It is an arithmetic number, because the mean of its divisors is an integer number (776355).

Almost surely, 2^13912830 is an apocalyptic number.

13912830 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 13912830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18632520).

13912830 is an abundant number, since it is smaller than the sum of its proper divisors (23352210).

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

13912830 is an equidigital number, since it uses as much as digits as its factorization.

13912830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13912830 is about 3729.9906166102. The cubic root of 13912830 is about 240.5129653296.

The spelling of 13912830 in words is "thirteen million, nine hundred twelve thousand, eight hundred thirty".