11748215 has 4 divisors (see below), whose sum is σ = 14097864. Its totient is φ = 9398568.

The previous prime is 11748199. The next prime is 11748221. The reversal of 11748215 is 51284711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51284711 = 113 ⋅453847.

It is a cyclic number.

It is not a de Polignac number, because 11748215 - 2⁴ = 11748199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1174817 + ... + 1174826.

It is an arithmetic number, because the mean of its divisors is an integer number (3524466).

Almost surely, 2^11748215 is an apocalyptic number.

11748215 is a deficient number, since it is larger than the sum of its proper divisors (2349649).

11748215 is an equidigital number, since it uses as much as digits as its factorization.

11748215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2349648.

The product of its digits is 2240, while the sum is 29.

The square root of 11748215 is about 3427.5669213015. The cubic root of 11748215 is about 227.3302844042.

The spelling of 11748215 in words is "eleven million, seven hundred forty-eight thousand, two hundred fifteen".