11957001 has 16 divisors (see below), whose sum is σ = 19292544. Its totient is φ = 6430464.

The previous prime is 11956993. The next prime is 11957009. The reversal of 11957001 is 10075911.

11957001 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11956993) and next prime (11957009).

It is not a de Polignac number, because 11957001 - 2³ = 11956993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11957009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16390 + ... + 17103.

It is an arithmetic number, because the mean of its divisors is an integer number (1205784).

Almost surely, 2^11957001 is an apocalyptic number.

It is an amenable number.

11957001 is a deficient number, since it is larger than the sum of its proper divisors (7335543).

11957001 is a wasteful number, since it uses less digits than its factorization.

11957001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33520.

The product of its (nonzero) digits is 315, while the sum is 24.

The square root of 11957001 is about 3457.8896743534. The cubic root of 11957001 is about 228.6690680879.

The spelling of 11957001 in words is "eleven million, nine hundred fifty-seven thousand, one".