1377213 has 8 divisors (see below), whose sum is σ = 1854528. Its totient is φ = 909024.

The previous prime is 1377191. The next prime is 1377223. The reversal of 1377213 is 3127731.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1377213 - 2⁸ = 1376957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1377223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1920 + ... + 2537.

It is an arithmetic number, because the mean of its divisors is an integer number (231816).

2^1377213 is an apocalyptic number.

It is an amenable number.

1377213 is a deficient number, since it is larger than the sum of its proper divisors (477315).

1377213 is a wasteful number, since it uses less digits than its factorization.

1377213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4563.

The product of its digits is 882, while the sum is 24.

The square root of 1377213 is about 1173.5471869507. The cubic root of 1377213 is about 111.2586291333.

The spelling of 1377213 in words is "one million, three hundred seventy-seven thousand, two hundred thirteen".