11215297 has 2 divisors, whose sum is σ = 11215298. Its totient is φ = 11215296.

The previous prime is 11215289. The next prime is 11215307. The reversal of 11215297 is 79251211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9144576 + 2070721 = 3024^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 11215297 - 2³ = 11215289 is a prime.

It is not a weakly prime, because it can be changed into another prime (11215207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5607648 + 5607649.

It is an arithmetic number, because the mean of its divisors is an integer number (5607649).

Almost surely, 2^11215297 is an apocalyptic number.

It is an amenable number.

11215297 is a deficient number, since it is larger than the sum of its proper divisors (1).

11215297 is an equidigital number, since it uses as much as digits as its factorization.

11215297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 28.

The square root of 11215297 is about 3348.9247528125. The cubic root of 11215297 is about 223.8396027011.

It can be divided in two parts, 1121529 and 7, that multiplied together give a triangular number (7850703 = T₃₉₆₂).

The spelling of 11215297 in words is "eleven million, two hundred fifteen thousand, two hundred ninety-seven".