1377513 has 16 divisors (see below), whose sum is σ = 2059840. Its totient is φ = 909792.

The previous prime is 1377499. The next prime is 1377517. The reversal of 1377513 is 3157731.

It is not a de Polignac number, because 1377513 - 2¹² = 1373417 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1377517) 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, 4245 + ... + 4557.

It is an arithmetic number, because the mean of its divisors is an integer number (128740).

2^1377513 is an apocalyptic number.

It is an amenable number.

1377513 is a deficient number, since it is larger than the sum of its proper divisors (682327).

1377513 is a wasteful number, since it uses less digits than its factorization.

1377513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 479 counting only the distinct ones).

The product of its digits is 2205, while the sum is 27.

The square root of 1377513 is about 1173.6749976037. The cubic root of 1377513 is about 111.2667070814.

The spelling of 1377513 in words is "one million, three hundred seventy-seven thousand, five hundred thirteen".