11421475 has 24 divisors (see below), whose sum is σ = 15436512. Its totient is φ = 8332800.

The previous prime is 11421461. The next prime is 11421481. The reversal of 11421475 is 57412411.

11421475 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11421475 - 2¹⁷ = 11290403 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36570 + ... + 36880.

It is an arithmetic number, because the mean of its divisors is an integer number (643188).

Almost surely, 2^11421475 is an apocalyptic number.

11421475 is a deficient number, since it is larger than the sum of its proper divisors (4015037).

11421475 is a wasteful number, since it uses less digits than its factorization.

11421475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 442 counting only the distinct ones).

The product of its digits is 1120, while the sum is 25.

The square root of 11421475 is about 3379.5672799931. The cubic root of 11421475 is about 225.2029444661.

Adding to 11421475 its reverse (57412411), we get a palindrome (68833886).

The spelling of 11421475 in words is "eleven million, four hundred twenty-one thousand, four hundred seventy-five".