13740279 has 16 divisors (see below), whose sum is σ = 21226752. Its totient is φ = 7743168.

The previous prime is 13740277. The next prime is 13740313. The reversal of 13740279 is 97204731.

It is not a de Polignac number, because 13740279 - 2¹ = 13740277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13740271) 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, 2949 + ... + 6014.

It is an arithmetic number, because the mean of its divisors is an integer number (1326672).

Almost surely, 2^13740279 is an apocalyptic number.

13740279 is a deficient number, since it is larger than the sum of its proper divisors (7486473).

13740279 is an equidigital number, since it uses as much as digits as its factorization.

13740279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 13740279 is about 3706.7882324190. The cubic root of 13740279 is about 239.5145220977.

The spelling of 13740279 in words is "thirteen million, seven hundred forty thousand, two hundred seventy-nine".