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12401203 = 16376081
BaseRepresentation
bin101111010011…
…101000110011
3212100001020211
4233103220303
511133314303
61121444551
7210260053
oct57235063
925301224
1012401203
117000231
1241a0757
1327527b9
14190b563
15114e66d
hexbd3a33

12401203 has 4 divisors (see below), whose sum is σ = 12477448. Its totient is φ = 12324960.

The previous prime is 12401189. The next prime is 12401251. The reversal of 12401203 is 30210421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30210421 = 45076703.

It is a cyclic number.

It is not a de Polignac number, because 12401203 - 29 = 12400691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12401293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37878 + ... + 38203.

It is an arithmetic number, because the mean of its divisors is an integer number (3119362).

Almost surely, 212401203 is an apocalyptic number.

12401203 is a deficient number, since it is larger than the sum of its proper divisors (76245).

12401203 is an equidigital number, since it uses as much as digits as its factorization.

12401203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76244.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 12401203 is about 3521.5341827107. The cubic root of 12401203 is about 231.4663902929.

Adding to 12401203 its reverse (30210421), we get a palindrome (42611624).

The spelling of 12401203 in words is "twelve million, four hundred one thousand, two hundred three".

Divisors: 1 163 76081 12401203