1376413 has 4 divisors (see below), whose sum is σ = 1381660. Its totient is φ = 1371168.

The previous prime is 1376407. The next prime is 1376423. The reversal of 1376413 is 3146731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 257049 + 1119364 = 507^2 + 1058^2 .

It is a 4-Lehmer number, since φ(1376413) divides (1376413-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 1376413 - 2⁹ = 1375901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1376423) 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, 2208 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (345415).

2^1376413 is an apocalyptic number.

It is an amenable number.

1376413 is a deficient number, since it is larger than the sum of its proper divisors (5247).

1376413 is an equidigital number, since it uses as much as digits as its factorization.

1376413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5246.

The product of its digits is 1512, while the sum is 25.

The square root of 1376413 is about 1173.2062904707. The cubic root of 1376413 is about 111.2370822017.

The spelling of 1376413 in words is "one million, three hundred seventy-six thousand, four hundred thirteen".