11473915 has 4 divisors (see below), whose sum is σ = 13768704. Its totient is φ = 9179128.

The previous prime is 11473883. The next prime is 11473919. The reversal of 11473915 is 51937411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51937411 = 1019 ⋅50969.

It is a cyclic number.

It is not a de Polignac number, because 11473915 - 2⁵ = 11473883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11473919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1147387 + ... + 1147396.

It is an arithmetic number, because the mean of its divisors is an integer number (3442176).

Almost surely, 2^11473915 is an apocalyptic number.

11473915 is a deficient number, since it is larger than the sum of its proper divisors (2294789).

11473915 is an equidigital number, since it uses as much as digits as its factorization.

11473915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294788.

The product of its digits is 3780, while the sum is 31.

The square root of 11473915 is about 3387.3167847132. The cubic root of 11473915 is about 225.5470802366.

The spelling of 11473915 in words is "eleven million, four hundred seventy-three thousand, nine hundred fifteen".