11725405 has 8 divisors (see below), whose sum is σ = 14157792. Its totient is φ = 9322128.

The previous prime is 11725403. The next prime is 11725429. The reversal of 11725405 is 50452711.

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 11725405 - 2¹ = 11725403 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11725405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11725403) 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, 6379 + ... + 8008.

It is an arithmetic number, because the mean of its divisors is an integer number (1769724).

Almost surely, 2^11725405 is an apocalyptic number.

It is an amenable number.

11725405 is a deficient number, since it is larger than the sum of its proper divisors (2432387).

11725405 is a wasteful number, since it uses less digits than its factorization.

11725405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14555.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 11725405 is about 3424.2378714102. The cubic root of 11725405 is about 227.1830630786.

The spelling of 11725405 in words is "eleven million, seven hundred twenty-five thousand, four hundred five".