1379477 has 4 divisors (see below), whose sum is σ = 1504896. Its totient is φ = 1254060.

The previous prime is 1379473. The next prime is 1379489. The reversal of 1379477 is 7749731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7749731 = 11 ⋅704521.

It is a cyclic number.

It is not a de Polignac number, because 1379477 - 2² = 1379473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1379477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1379473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62693 + ... + 62714.

It is an arithmetic number, because the mean of its divisors is an integer number (376224).

2^1379477 is an apocalyptic number.

It is an amenable number.

1379477 is a deficient number, since it is larger than the sum of its proper divisors (125419).

1379477 is a wasteful number, since it uses less digits than its factorization.

1379477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125418.

The product of its digits is 37044, while the sum is 38.

The square root of 1379477 is about 1174.5113877694. The cubic root of 1379477 is about 111.3195617644.

The spelling of 1379477 in words is "one million, three hundred seventy-nine thousand, four hundred seventy-seven".