11403472 has 10 divisors (see below), whose sum is σ = 22094258. Its totient is φ = 5701728.

The previous prime is 11403463. The next prime is 11403473. The reversal of 11403472 is 27430411.

It can be written as a sum of positive squares in only one way, i.e., 11128896 + 274576 = 3336^2 + 524^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11403473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356343 + ... + 356374.

Almost surely, 2^11403472 is an apocalyptic number.

It is an amenable number.

11403472 is a deficient number, since it is larger than the sum of its proper divisors (10690786).

11403472 is an equidigital number, since it uses as much as digits as its factorization.

11403472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712725 (or 712719 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 11403472 is about 3376.9027229104. The cubic root of 11403472 is about 225.0845575188.

Adding to 11403472 its reverse (27430411), we get a palindrome (38833883).

The spelling of 11403472 in words is "eleven million, four hundred three thousand, four hundred seventy-two".