1375479 has 18 divisors (see below), whose sum is σ = 2311920. Its totient is φ = 785736.

The previous prime is 1375457. The next prime is 1375481. The reversal of 1375479 is 9745731.

It is a happy number.

It is not a de Polignac number, because 1375479 - 2⁸ = 1375223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375379) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1119 + ... + 2000.

It is an arithmetic number, because the mean of its divisors is an integer number (128440).

2^1375479 is an apocalyptic number.

1375479 is a deficient number, since it is larger than the sum of its proper divisors (936441).

1375479 is a wasteful number, since it uses less digits than its factorization.

1375479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3139 (or 3129 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 1375479 is about 1172.8081684572. The cubic root of 1375479 is about 111.2119155925.

The spelling of 1375479 in words is "one million, three hundred seventy-five thousand, four hundred seventy-nine".