12140403 has 32 divisors (see below), whose sum is σ = 18546432. Its totient is φ = 6998400.

The previous prime is 12140353. The next prime is 12140419. The reversal of 12140403 is 30404121.

It is not a de Polignac number, because 12140403 - 2⁹ = 12139891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12140903) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74400 + ... + 74562.

It is an arithmetic number, because the mean of its divisors is an integer number (579576).

Almost surely, 2^12140403 is an apocalyptic number.

12140403 is a deficient number, since it is larger than the sum of its proper divisors (6406029).

12140403 is a wasteful number, since it uses less digits than its factorization.

12140403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12140403 is about 3484.3081092234. The cubic root of 12140403 is about 229.8322847897.

Adding to 12140403 its reverse (30404121), we get a palindrome (42544524).

The spelling of 12140403 in words is "twelve million, one hundred forty thousand, four hundred three".