11648715 has 64 divisors (see below), whose sum is σ = 21676032. Its totient is φ = 5299200.

The previous prime is 11648713. The next prime is 11648717. The reversal of 11648715 is 51784611.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11648713) and next prime (11648717).

It is not a de Polignac number, because 11648715 - 2¹ = 11648713 is a prime.

It is a super-2 number, since 2×11648715² = 271385122302450, which contains 22 as substring.

Its product of digits (6720) is a multiple of the sum of its prime divisors (140).

It is not an unprimeable number, because it can be changed into a prime (11648713) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 247822 + ... + 247868.

It is an arithmetic number, because the mean of its divisors is an integer number (338688).

Almost surely, 2^11648715 is an apocalyptic number.

11648715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11648715 is a deficient number, since it is larger than the sum of its proper divisors (10027317).

11648715 is a wasteful number, since it uses less digits than its factorization.

11648715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its digits is 6720, while the sum is 33.

The square root of 11648715 is about 3413.0213887405. The cubic root of 11648715 is about 226.6866824405.

The spelling of 11648715 in words is "eleven million, six hundred forty-eight thousand, seven hundred fifteen".