13999277952 has 240 divisors, whose sum is σ = 45797459400. Its totient is φ = 4241825280.

The previous prime is 13999277951. The next prime is 13999277953. The reversal of 13999277952 is 25977299931.

13999277952 is a `hidden beast` number, since 1 + 399 + 92 + 77 + 95 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (13999277951) and next prime (13999277953).

It is a self number, because there is not a number n which added to its sum of digits gives 13999277952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13999277951) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1248949 + ... + 1260107.

Almost surely, 2^13999277952 is an apocalyptic number.

13999277952 is a gapful number since it is divisible by the number (12) 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 13999277952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22898729700).

13999277952 is an abundant number, since it is smaller than the sum of its proper divisors (31798181448).

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

13999277952 is a wasteful number, since it uses less digits than its factorization.

13999277952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11207 (or 11175 counting only the distinct ones).

The product of its digits is 19289340, while the sum is 63.

The spelling of 13999277952 in words is "thirteen billion, nine hundred ninety-nine million, two hundred seventy-seven thousand, nine hundred fifty-two".