15673397 has 2 divisors, whose sum is σ = 15673398. Its totient is φ = 15673396.

The previous prime is 15673391. The next prime is 15673403. The reversal of 15673397 is 79337651.

It is a balanced prime because it is at equal distance from previous prime (15673391) and next prime (15673403).

It can be written as a sum of positive squares in only one way, i.e., 14432401 + 1240996 = 3799^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 15673397 - 2¹² = 15669301 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15673391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7836698 + 7836699.

It is an arithmetic number, because the mean of its divisors is an integer number (7836699).

Almost surely, 2^15673397 is an apocalyptic number.

It is an amenable number.

15673397 is a deficient number, since it is larger than the sum of its proper divisors (1).

15673397 is an equidigital number, since it uses as much as digits as its factorization.

15673397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 41.

The square root of 15673397 is about 3958.9641321942. The cubic root of 15673397 is about 250.2578512927.

The spelling of 15673397 in words is "fifteen million, six hundred seventy-three thousand, three hundred ninety-seven".