11772001 has 8 divisors (see below), whose sum is σ = 12503520. Its totient is φ = 11051712.

The previous prime is 11771983. The next prime is 11772029. The reversal of 11772001 is 10027711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11772001 - 2⁹ = 11771489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 11772001.

It is not an unprimeable number, because it can be changed into a prime (11772071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595 + ... + 4888.

It is an arithmetic number, because the mean of its divisors is an integer number (1562940).

Almost surely, 2^11772001 is an apocalyptic number.

It is an amenable number.

11772001 is a deficient number, since it is larger than the sum of its proper divisors (731519).

11772001 is a wasteful number, since it uses less digits than its factorization.

11772001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5615.

The product of its (nonzero) digits is 98, while the sum is 19.

The square root of 11772001 is about 3431.0349750476. The cubic root of 11772001 is about 227.4836022476.

Adding to 11772001 its reverse (10027711), we get a palindrome (21799712).

The spelling of 11772001 in words is "eleven million, seven hundred seventy-two thousand, one".