1372879 has 2 divisors, whose sum is σ = 1372880. Its totient is φ = 1372878.

The previous prime is 1372867. The next prime is 1372913. The reversal of 1372879 is 9782731.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1372879 - 2¹⁹ = 848591 is a prime.

1372879 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1372829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686439 + 686440.

It is an arithmetic number, because the mean of its divisors is an integer number (686440).

2^1372879 is an apocalyptic number.

1372879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372879 is an equidigital number, since it uses as much as digits as its factorization.

1372879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 37.

The square root of 1372879 is about 1171.6991934793. The cubic root of 1372879 is about 111.1417985978.

The spelling of 1372879 in words is "one million, three hundred seventy-two thousand, eight hundred seventy-nine".