15040001 has 8 divisors (see below), whose sum is σ = 16056000. Its totient is φ = 14046480.

The previous prime is 15039967. The next prime is 15040007. The reversal of 15040001 is 10004051.

15040001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15040001 - 2²² = 10845697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15040007) 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, 4226 + ... + 6923.

It is an arithmetic number, because the mean of its divisors is an integer number (2007000).

Almost surely, 2^15040001 is an apocalyptic number.

It is an amenable number.

15040001 is a deficient number, since it is larger than the sum of its proper divisors (1015999).

15040001 is a wasteful number, since it uses less digits than its factorization.

15040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11239.

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 15040001 is about 3878.1440148607. The cubic root of 15040001 is about 246.8402371818.

Adding to 15040001 its reverse (10004051), we get a palindrome (25044052).

The spelling of 15040001 in words is "fifteen million, forty thousand, one".