13930488 has 192 divisors, whose sum is σ = 46922400. Its totient is φ = 3801600.

The previous prime is 13930481. The next prime is 13930513. The reversal of 13930488 is 88403931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13930481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 339748 + ... + 339788.

Almost surely, 2^13930488 is an apocalyptic number.

13930488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13930488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23461200).

13930488 is an abundant number, since it is smaller than the sum of its proper divisors (32991912).

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

13930488 is a wasteful number, since it uses less digits than its factorization.

13930488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 13930488 is about 3732.3568961181. The cubic root of 13930488 is about 240.6146743868.

The spelling of 13930488 in words is "thirteen million, nine hundred thirty thousand, four hundred eighty-eight".