1376407 has 2 divisors, whose sum is σ = 1376408. Its totient is φ = 1376406.

The previous prime is 1376393. The next prime is 1376423. The reversal of 1376407 is 7046731.

It is a weak prime.

It is an emirp because it is prime and its reverse (7046731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1376407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1376447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688203 + 688204.

It is an arithmetic number, because the mean of its divisors is an integer number (688204).

2^1376407 is an apocalyptic number.

1376407 is a deficient number, since it is larger than the sum of its proper divisors (1).

1376407 is an equidigital number, since it uses as much as digits as its factorization.

1376407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 1376407 is about 1173.2037333729. The cubic root of 1376407 is about 111.2369205681.

The spelling of 1376407 in words is "one million, three hundred seventy-six thousand, four hundred seven".