13279950 has 72 divisors (see below), whose sum is σ = 37034088. Its totient is φ = 3538080.

The previous prime is 13279949. The next prime is 13279951. The reversal of 13279950 is 5997231.

13279950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13279949) and next prime (13279951).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13279951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 11604 + ... + 12696.

Almost surely, 2^13279950 is an apocalyptic number.

13279950 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 13279950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18517044).

13279950 is an abundant number, since it is smaller than the sum of its proper divisors (23754138).

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

13279950 is a wasteful number, since it uses less digits than its factorization.

13279950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1103 counting only the distinct ones).

The product of its (nonzero) digits is 17010, while the sum is 36.

The square root of 13279950 is about 3644.1665713850. The cubic root of 13279950 is about 236.8093323074.

The spelling of 13279950 in words is "thirteen million, two hundred seventy-nine thousand, nine hundred fifty".