13001499 has 16 divisors (see below), whose sum is σ = 22013440. Its totient is φ = 7429320.

The previous prime is 13001489. The next prime is 13001501. The reversal of 13001499 is 99410031.

13001499 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13001499 - 2⁹ = 13000987 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13001459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34207 + ... + 34584.

It is an arithmetic number, because the mean of its divisors is an integer number (1375840).

Almost surely, 2^13001499 is an apocalyptic number.

13001499 is a deficient number, since it is larger than the sum of its proper divisors (9011941).

13001499 is an equidigital number, since it uses as much as digits as its factorization.

13001499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68807 (or 68801 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 13001499 is about 3605.7591433705. The cubic root of 13001499 is about 235.1425059906.

The spelling of 13001499 in words is "thirteen million, one thousand, four hundred ninety-nine".