11878601 has 4 divisors (see below), whose sum is σ = 13575552. Its totient is φ = 10181652.

The previous prime is 11878589. The next prime is 11878609. The reversal of 11878601 is 10687811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11878601 - 2¹⁴ = 11862217 is a prime.

It is a super-2 number, since 2×11878601² = 282202323434402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11878609) 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, 848465 + ... + 848478.

It is an arithmetic number, because the mean of its divisors is an integer number (3393888).

Almost surely, 2^11878601 is an apocalyptic number.

It is an amenable number.

11878601 is a deficient number, since it is larger than the sum of its proper divisors (1696951).

11878601 is an equidigital number, since it uses as much as digits as its factorization.

11878601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1696950.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 11878601 is about 3446.5346364138. The cubic root of 11878601 is about 228.1681905087.

The spelling of 11878601 in words is "eleven million, eight hundred seventy-eight thousand, six hundred one".