15106969 has 2 divisors, whose sum is σ = 15106970. Its totient is φ = 15106968.

The previous prime is 15106943. The next prime is 15106991. The reversal of 15106969 is 96960151.

15106969 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14722569 + 384400 = 3837^2 + 620^2 .

It is an emirp because it is prime and its reverse (96960151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15106969 - 2¹⁷ = 14975897 is a prime.

It is a super-2 number, since 2×15106969² = 456441024733922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15106939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7553484 + 7553485.

It is an arithmetic number, because the mean of its divisors is an integer number (7553485).

Almost surely, 2^15106969 is an apocalyptic number.

It is an amenable number.

15106969 is a deficient number, since it is larger than the sum of its proper divisors (1).

15106969 is an equidigital number, since it uses as much as digits as its factorization.

15106969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 15106969 is about 3886.7684520691. The cubic root of 15106969 is about 247.2060599140.

The spelling of 15106969 in words is "fifteen million, one hundred six thousand, nine hundred sixty-nine".