1392007 has 2 divisors, whose sum is σ = 1392008. Its totient is φ = 1392006.

The previous prime is 1391989. The next prime is 1392089. The reversal of 1392007 is 7002931.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1392007 - 2¹⁹ = 867719 is a prime.

It is a Chen prime.

It is equal to p₁₀₆₅₂₈ and since 1392007 and 106528 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1392407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696003 + 696004.

It is an arithmetic number, because the mean of its divisors is an integer number (696004).

2^1392007 is an apocalyptic number.

1392007 is a deficient number, since it is larger than the sum of its proper divisors (1).

1392007 is an equidigital number, since it uses as much as digits as its factorization.

1392007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1392007 is about 1179.8334628243. The cubic root of 1392007 is about 111.6555905947.

Adding to 1392007 its reverse (7002931), we get a palindrome (8394938).

The spelling of 1392007 in words is "one million, three hundred ninety-two thousand, seven".