12039479 has 2 divisors, whose sum is σ = 12039480. Its totient is φ = 12039478.

The previous prime is 12039457. The next prime is 12039487. The reversal of 12039479 is 97493021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12039479 - 2¹² = 12035383 is a prime.

It is a super-3 number, since 3×12039479³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12039409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6019739 + 6019740.

It is an arithmetic number, because the mean of its divisors is an integer number (6019740).

Almost surely, 2^12039479 is an apocalyptic number.

12039479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12039479 is an equidigital number, since it uses as much as digits as its factorization.

12039479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 12039479 is about 3469.7952389154. The cubic root of 12039479 is about 229.1936413133.

The spelling of 12039479 in words is "twelve million, thirty-nine thousand, four hundred seventy-nine".